package com.csi.sai.security;

import java.io.IOException;
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.annotation.WebFilter;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import com.csi.sai.utilities.Constants;

/**
 * Servlet Filter implementation class SessionFilter
 */
@WebFilter(filterName="SessionFilter", urlPatterns="/web/*")
public class SessionFilter implements Filter {

    /**
     * Default constructor. 
     */
    public SessionFilter() {
        
    }

	/**
	 * @see Filter#destroy()
	 */
	public void destroy() {
		// TODO Auto-generated method stub
	}

	/**
	 * @see Filter#doFilter(ServletRequest, ServletResponse, FilterChain)
	 */
	public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
		// TODO Auto-generated method stub
		/****
		HttpServletRequest httpRequest = ((HttpServletRequest)request);
		HttpServletResponse httpResponse = ((HttpServletResponse)response);
		
		String pageRequest = httpRequest.getServletPath();
		HttpSession session = httpRequest.getSession();
		
		if(pageRequest.contains("MasterPage.jsp")) {
			String userSession = session.getAttribute(Constants.SESSION_USER).toString();
			if(userSession!=null) {
				String type = session.getAttribute(Constants.SESSION_USERTYPE).toString();
				
			} else {
				
			}
		}
		 /****/
		// pass the request along the filter chain
		chain.doFilter(request, response);
	}

	/**
	 * @see Filter#init(FilterConfig)
	 */
	public void init(FilterConfig fConfig) throws ServletException {
		// TODO Auto-generated method stub
	}

}
